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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 10. Отображено 10.
11-07-2012 дата публикации

System for automatically monitoring vertical displacement of oil and gas pipeline in frozen soil region

Номер: CN102563356A
Автор: Jing Hongyuan, Han Bing, Ma Yunbin, Li Liangliang, Tan Dongjie, Cai Yongjun, Hao Jianbin, Wu Zhangzhong, Feng Qingshan, Chen Pengchao
Принадлежит:

The invention provides a system for automatically monitoring vertical displacement of an oil and gas pipeline in the frozen soil region. The system is characterized in that a pipeline (4) is embedded in a mobile layer (3) under a ground (2); a plurality of monitoring points or monitoring sections for installing pipe clamps (5) respectively provided with one osmometer I (6) are arranged on the pipeline (4); the osmometers I (6) are connected with a liquid tank (15) by a liquid communicating pipe (7) and is connected with a data acquisition unit (13) by an osmometer data line (11); a data remote transmission device (12) is used for transmitting data to a data remote transmission device (19) located indoors (21) in real time via a cell phone signal GPRS (general packet radio service) (17) or a satellite (18), and the output of the data remote transmission device (19) is connected with a data processing server (20); a long-time stable reference point of a reference peg (8) is arranged in a ...

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Номер записи: 1
08-05-2013 дата публикации

Monitoring method and monitoring device for displacement of oil and gas pipeline in frozen soil area

Номер: CN103090830A
Автор: Chen Pengchao, Zhang Shibin, Ma Yunbin, Jing Hongyuan, Ma Tao, Zhao Yingbo, Leng Youquan, Zhuang Nan, Yang Shimei, Liang Zhouping, Zhang Heyin, Chen Yong
Принадлежит:

The invention provides a monitoring method and a monitoring device for displacement of an oil and gas pipeline in a frozen soil area, and relates to the technical field of measuring of linear dimension and a piping system. A total station is utilized for monitoring displacement of the pipeline in the frozen soil area. A reference peg and a sighting peg are mounted in a monitoring area, and pipeline clamping devices are mounted on a pipeline to be monitored. A local coordinate system is established based on the reference peg and the sighting peg, and coordinates of the pipeline clamping devices are regularly measured. If displacement of the pipeline occurs, coordinates of the pipeline clamping devices are changed, and coordinate transformation in the time interval of two measurements is the displacement of the pipeline in the time interval. The monitoring device for displacement of the oil and gas pipeline in the frozen soil area is low in cost, stable and reliable, convenient to operate ...

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Номер записи: 2
06-11-2013 дата публикации

Low temperature heat pipe heat exchanger for raw oil pipeline

Номер: CN103383207A
Автор: Ai Muyang, Xue Xiangdong, Chen Pengchao, Kang Yang, Yan Feng, Li Qimo, Xiong Hui, Miao Qing, Xiao Haifeng, Xu Bo
Принадлежит:

The invention discloses a low temperature heat pipe heat exchanger for a raw oil pipeline, and relates to the technical field of general heat exchange and pipeline system. A plurality of rows of low temperature heat pipes (4) while each row comprises a plurality of low temperature heat pipes (4) are transversely inserted in a casing (2) of which one end is provided with an oil inlet (1), and the other end is provided with an oil outlet (6); a card slot (8) is formed in the lower part of the casing (2); a fixing baffle plate (5) is arranged at the upper part of the casing (2); holes for correspondingly inserting the low temperature heat pipes (4) are formed in the fixing baffle plate (5), the upper part of the casing (2) and the card slot (8); one part of one end of each low temperature heat pipe (4) is inserted into each hole in the fixing baffle plate (5) and the casing (2), then pipe heads are inserted in the card slot (8) in the casing (2), and one part of the other end is bared outside ...

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Номер записи: 3
27-11-2013 дата публикации

All-solid-state laser driving power supply device achieving constant voltage / constant current automatic switching

Номер: CN103414104A
Автор: Ji Junwen, Lin Xuechun, Hou Wei, Zhang Dingyuan, Chen Pengchao, Sun Xuezhi
Принадлежит:

The invention discloses an all-solid-state laser driving power supply device achieving constant voltage / constant current automatic switching. The all-solid-state laser driving power supply device comprises a main circuit and a control drive circuit, wherein the main circuit is used for adjusting output drive currents according to control signals outputted from the control drive circuit and providing the output drive currents to a laser; the control drive circuit comprises a constant voltage circuit and a constant current circuit, the constant voltage circuit is used for enabling an all-solid-state laser driving power supply to be in a constant voltage mode at a power-on primary stage, and the constant current circuit is used for enabling the all-solid-state laser driving power supply to be in a constant current pattern at a normal operation stage. By the adoption of the drive power supply, the fact that a laser pumping diode cannot be damaged due to rapidly changing driving voltage in ...

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Номер записи: 4
06-11-2013 дата публикации

Freeze soil area oil and gas pipeline displacement monitoring method and system

Номер: CN103383243A
Автор: Ma Yunbin, Zhang Shibin, Chen Pengchao, Zhao Wenjie, Cai Yongjun, Li Zengbin, Ma Tao, Xiao Haifeng
Принадлежит:

The invention discloses a freeze soil area oil and gas pipeline displacement monitoring method and system. A plurality of fiber bragg grating displacement sensors a (10) and a plurality of fiber bragg grating displacement sensors b (11) are arranged on one sides of oil and gas pipelines (2) in a freeze soil area, all the sensors are connected in series in a welding mode and then introduced into a monitoring station through optical cables (12), the optical cables (12) are connected with a photoswitch (13), the photoswitch (13) is connected with a fiber bragg grating interrogator (14), the fiber bragg grating interrogator (14) is connected with a lower computer (15), data preprocessed by the lower computer (15) are transmitted to a low-orbit satellite (17) through a satellite communication module (16), data are forwarded by the low-orbit satellite (17) to a satellite communication module (18), and received data are transmitted by the satellite communication module (18) to an upper computer ...

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Номер записи: 5
06-11-2013 дата публикации

Freeze soil area oil and gas pipeline surrounding temperature monitoring method

Номер: CN103383291A
Автор: Zhang Shibin, Chen Pengchao, Ma Yunbin, Li Yunchao, Xiao Haifeng, Zhao Wenjie, Ma Tao, Yang Aixing
Принадлежит:

The invention discloses a freeze soil area oil and gas pipeline surrounding temperature monitoring method. The freeze soil area oil and gas pipeline surrounding temperature monitoring method includes the steps of monitoring the temperatures surrounding pipelines through temperature sensor sets, sending signals obtained through monitoring to a photoswitch (13) through optical cables (12), sending the signals to a lower computer (15) after the signals are demodulated by an interrogator (14), enabling the lower computer (15) to call self-programmed programs, control the photoswitch (13) and the interrogator (14), collect data and preprocess the data, transmitting the preprocessed data to a low-orbit satellite (17) through a satellite communication module (16), receiving the data through the low-orbit satellite (17) and forwarding the data to a satellite communication module (18), transmitting the received data to an upper computer (19) through the satellite communication module (18), analyzing ...

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Номер записи: 6
06-11-2013 дата публикации

Freeze soil area oil and gas pipeline monitoring method

Номер: CN103383242A
Автор: Chen Pengchao, Ma Yunbin, Zhao Yingbo, Cai Yongjun, Li Zengbin, Ma Tao, Wu Guansheng, Yang Shimei
Принадлежит:

The invention discloses a freeze soil area oil and gas pipeline monitoring method. The freeze soil area oil and gas pipeline monitoring method includes the steps of conducting monitoring on the temperatures and the moisture around pipelines and the displacement of a tube bodies through temperature sensor sets, moisture sensor sets and fiber bragg grating displacement sensor sets respectively, sending signals obtained through monitoring to a photoswitch (13) through optical cables (12), sending the signals to a lower computer (15) after the signals are demodulated by an interrogator (14), enabling the lower computer (15) to call self-programmed programs, control the photoswitch (13) and the interrogator (14), collect data and preprocess the data, transmitting the preprocessed data to a low-orbit satellite (17) through a satellite communication module (16), receiving the data through the low-orbit satellite (17) and forwarding the data to a satellite communication module (18), transmitting ...

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Номер записи: 7
27-11-2013 дата публикации

Driving power supply device of parallel connection expansion high-power all-solid-state laser

Номер: CN103414103A
Автор: Lin Xuechun, Ji Junwen, Hou Wei, Sun Xuezhi, Chen Pengchao, Zhang Dingyuan
Принадлежит:

The invention discloses a constant current driving power supply of a high-power all-solid-state laser, wherein a parallel connection expansion technology is adopted in the constant current driving power supply. The driving power supply comprises a primary power supply module, a plurality of same secondary power supply modules, an auxiliary power supply module, a current setting and display module and a start / stop control module, wherein the primary power supply module is connected with the secondary power supply modules in parallel to equally share the total load currents, and the secondary power supply modules are controlled by the primary power supply module. According to the driving power supply, the parallel expansion technology is adopted, several low-power switching power supply modules are connected in parallel to form the high-power driving power supply, and driving of the high-power all-solid-state laser can be simply and reliably achieved.

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Номер записи: 8
06-11-2013 дата публикации

Method for discharging by bending pipelines back and forth at any space angle

Номер: CN103383251A
Автор: Wu Guansheng, Chen Pengchao, Zhang Shibin, Zhao Yingbo, Wang Wei, Bai Yuqun, Zhang Jun, Zhuang Nan, Li Zengbin, Wang Bo, Liang Shiping
Принадлежит:

The invention relates to a method for discharging by bending pipelines back and forth at any space angle. The method comprises the steps of 1) building a space coordinate system, 2) measuring the diameters phi of the pipelines, the turning radius R1 of an elbow I (1) and the turning radius R2 of an elbow II (2), 3) measuring the direction vector of the pipeline I (1), the direction vector of the pipeline II (2) and the central point coordinate of a pipe mouth, 4) introducing an angle variable t1 which is equal to 0 and an angle variable t2 which is equal to 0, 5) enabling the rotation angle theta1 of the elbow I (1) to be equal to t1 and enabling the rotation angle theta2 of the elbow II (2) to be equal to t2, 6) carrying out modification calculation on theta1 and theta2, 7) calculating the equation that epsilon=|theta1-t1|, and 8) judging whether the epsilon meets a calculation precision requirement or not. If the epsilon meets the calculation precision requirement, the calculation is ...

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Номер записи: 9
11-07-2012 дата публикации

Method and system for automatically monitoring vertical displacement of oil and gas pipeline in frozen soil region

Номер: CN102563359A
Автор: Jing Hongyuan, Ma Yunbin, Han Bing, Li Liangliang, Tan Dongjie, Feng Qingshan, Chen Pengchao, Wu Zhangzhong, Hao Jianbin, Liu Jianping
Принадлежит:

The invention provides a method and a system for automatically monitoring vertical displacement of an oil and gas pipeline in the frozen soil region. The method is characterized in that a long-time stable monitoring reference point is arranged outside a pipe trench; a plurality of monitoring points are arranged on a pipe body; osmometers are fixed in the reference point and the monitoring points on the pipe body and are connected to a liquid tank by a liquid communicating pipe; the osmometer fixed in the reference point is used for measuring the liquid pressure in the position of the osmometer fixed at the reference point, the osmometers in the monitoring points are used for measuring the liquid pressure of the elevations on which the osmometers in the monitoring points are located and the elevation differences between the reference point and the monitoring points are calculated; when a pipeline sinks or uplifts, the new elevation differences are calculated by measuring the liquid pressure ...

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Номер записи: 10